Effect of Preprocessing Storage Temperature and Time on the Physicochemical Properties of Winter Melon Juice

Table 2

Aroma volatiles (μg/L⁻¹) in winter melon juices stored under different conditions.

Volatiles	RI	Day 0	10°C day 10	10°C day 20	30°C day 10	30°C day 20
Methanethiol	509	2.50a	1.65a	1.64a	1.78a	2.31a
Dimethyl sulfide	544	0.08b	0.18a	0.07b	0.06b	0.05b
Ethyl acetate	600	6.40a	7.11a	4.58a	4.82a	4.19a
Dimethyl disulfide	723	1.32a	1.14ab	0.83b	1.40a	0.82b
Hexanal	772	3310.06a	2703.34a	1180.10c	2489.31ab	1700.12b
a-pinene	908	5.62a	3.91ab	3.39b	2.82b	4.35ab
D-limonene	996	9.99b	33.37a	5.99b	22.68a	10.14b
Total sulfur		3.90a	2.97ab	2.54b	3.24a	3.18a
Total		3335.97a	2750.70a	1196.60c	2522.87ab	1721.98b

RI: Retention Index. Mean values followed by different letters in the same row indicate significant differences using t-test ().